89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package overlay
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import (
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"context"
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// "fmt"
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"strings"
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"github.com/zeebo/errs"
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"storj.io/storj/pkg/provider"
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proto "storj.io/storj/protos/overlay"
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)
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// MockOverlay is a mocked overlay implementation
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type MockOverlay struct {
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nodes map[string]*proto.Node
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}
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// NewMockOverlay creates a new overlay mock
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func NewMockOverlay(nodes []*proto.Node) *MockOverlay {
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rv := &MockOverlay{nodes: map[string]*proto.Node{}}
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for _, node := range nodes {
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rv.nodes[node.Id] = node
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}
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return rv
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}
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// FindStorageNodes finds storage nodes based on the request
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func (mo *MockOverlay) FindStorageNodes(ctx context.Context,
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req *proto.FindStorageNodesRequest) (resp *proto.FindStorageNodesResponse,
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err error) {
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nodes := make([]*proto.Node, 0, len(mo.nodes))
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for _, node := range mo.nodes {
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nodes = append(nodes, node)
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}
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if int64(len(nodes)) < req.Opts.GetAmount() {
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return nil, errs.New("not enough farmers exist")
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}
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nodes = nodes[:req.Opts.GetAmount()]
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return &proto.FindStorageNodesResponse{Nodes: nodes}, nil
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}
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// Lookup finds a single storage node based on the request
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func (mo *MockOverlay) Lookup(ctx context.Context, req *proto.LookupRequest) (
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*proto.LookupResponse, error) {
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return &proto.LookupResponse{Node: mo.nodes[req.NodeID]}, nil
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}
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//BulkLookup finds multiple storage nodes based on the requests
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func (mo *MockOverlay) BulkLookup(ctx context.Context, reqs *proto.LookupRequests) (
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*proto.LookupResponses, error) {
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var responses []*proto.LookupResponse
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for _, r := range reqs.Lookuprequest {
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n := *mo.nodes[r.NodeID]
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resp := &proto.LookupResponse{Node: &n}
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responses = append(responses, resp)
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}
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return &proto.LookupResponses{Lookupresponse: responses}, nil
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}
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// MockConfig specifies static nodes for mock overlay
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type MockConfig struct {
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Nodes string `help:"a comma-separated list of <node-id>:<ip>:<port>" default:""`
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}
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// Run runs server with mock overlay
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func (c MockConfig) Run(ctx context.Context, server *provider.Provider) error {
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var nodes []*proto.Node
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for _, nodestr := range strings.Split(c.Nodes, ",") {
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parts := strings.SplitN(nodestr, ":", 2)
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if len(parts) != 2 {
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return Error.New("malformed node config: %#v", nodestr)
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}
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id, addr := parts[0], parts[1]
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nodes = append(nodes, &proto.Node{
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Id: id,
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Address: &proto.NodeAddress{
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Transport: proto.NodeTransport_TCP,
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Address: addr,
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}})
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}
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proto.RegisterOverlayServer(server.GRPC(), NewMockOverlay(nodes))
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return server.Run(ctx)
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}
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